Motherboard cmos died/Need to recover harddrive on new motherboard,HOW

My motherboard cmos-battery died and I was unable to transfer applications and data/text/doc files. The keyboard became usless. The drive is western digital 4gig. Operating sys-win95.

I installed a new motherboard and win98 operating system. Added a new 20 gig hard drive as master and the other drive as slave. Cmos setup sees the two drives, c & d. Windows 98 also sees the second drive but says it is not accessible, a device attached to the system is not functioning. What do I do now? The information on the 4gig hard drive is priceless. Need any and all suggestions to get up and going. reach me at : mailto:talkphil@mailcity.com